2020121109967 has 2 divisors, whose sum is σ = 2020121109968. Its totient is φ = 2020121109966.

The previous prime is 2020121109953. The next prime is 2020121110001. The reversal of 2020121109967 is 7699011210202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020121109967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020121109067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010060554983 + 1010060554984.

It is an arithmetic number, because the mean of its divisors is an integer number (1010060554984).

Almost surely, 2^{2020121109967} is an apocalyptic number.

2020121109967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020121109967 is an equidigital number, since it uses as much as digits as its factorization.

2020121109967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 2020121109967 in words is "two trillion, twenty billion, one hundred twenty-one million, one hundred nine thousand, nine hundred sixty-seven".